虚拟语气 表示与过去的事实相反的愿望用过去完成时么 为什么用了have been fixed而不是had been fixedthis ATM has been out of service for a few days .it should ( have been fixed )last week
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![虚拟语气 表示与过去的事实相反的愿望用过去完成时么 为什么用了have been fixed而不是had been fixedthis ATM has been out of service for a few days .it should ( have been fixed )last week](/uploads/image/z/14346194-50-4.jpg?t=%E8%99%9A%E6%8B%9F%E8%AF%AD%E6%B0%94+%E8%A1%A8%E7%A4%BA%E4%B8%8E%E8%BF%87%E5%8E%BB%E7%9A%84%E4%BA%8B%E5%AE%9E%E7%9B%B8%E5%8F%8D%E7%9A%84%E6%84%BF%E6%9C%9B%E7%94%A8%E8%BF%87%E5%8E%BB%E5%AE%8C%E6%88%90%E6%97%B6%E4%B9%88+%E4%B8%BA%E4%BB%80%E4%B9%88%E7%94%A8%E4%BA%86have+been+fixed%E8%80%8C%E4%B8%8D%E6%98%AFhad+been+fixedthis+ATM+has+been+out+of+service+for+a+few+days+.it+should+%28+have+been+fixed+%29last+week)
虚拟语气 表示与过去的事实相反的愿望用过去完成时么 为什么用了have been fixed而不是had been fixedthis ATM has been out of service for a few days .it should ( have been fixed )last week
虚拟语气 表示与过去的事实相反的愿望用过去完成时么 为什么用了have been fixed而不是had been fixed
this ATM has been out of service for a few days .it should ( have been fixed )last week
虚拟语气 表示与过去的事实相反的愿望用过去完成时么 为什么用了have been fixed而不是had been fixedthis ATM has been out of service for a few days .it should ( have been fixed )last week
should 是助动词,后面的动词当然要用原形
虚拟语气的形式是should(could) have done
因为前面已经有助动词should,后面就用原型。
前半句为客观事实,不是虚拟。后半句
should have done/ should have been done 表示【本应.....】实际没有。
should + do / be done -------- 是一般式形式 -------用于现在或者将来
should have (been) done-------是完成式形式 --------用于过去